-LRB- CNN -RRB- -- At least 16 people were killed and 22 injured when a suicide bomber driving an explosive-laden car detonated near a car dealership in a town northeast of Baghdad , police said .

Balad Ruz is a mixed town of Arab , Kurd and Turkmen residents , located in Diyala province .

Violence was also reported in Baghdad , where shootings and explosions were blamed for six deaths and injuries to more than 20 others , police in the capital said .

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The attack occurred northeast of Baghdad

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Balad Ruz is a mixed town of Arab , Kurd and Turkmen residents